TCP 8A05Y Cold Cathode A Line A17 - 25 Watt eq. (only 5w used) Medium Base YELLOW Light Bulb (200 Lumens) - Bug Light Please NOTE: This lamps has a Standard Base (E26 - Medium) Dimmable Lifetime: 22.8 years Watts Used/Lumens: 5 Watt/200 Lumens Estimated Annual Energy Cost to Operate (based on 3 hrs/day): $0.60